Update ExtUtils-MakeMaker to CPAN version 6.70

  [DELTA]

6.70 Tue Jul 23 21:55:23 BST 2013
    No changes from 6.69_09

6.69_09 Sun Jul 21 09:22:40 BST 2013
    Bug Fixes:
    * RT#86976 Fix version parsing bug introduced in 6.69_05
      Part Deux :)

6.69_08 Wed Jul 17 00:36:28 BST 2013
    Bug Fixes:
    * RT#86976 Fix version parsing bug introduced in 6.69_05

6.69_07 Tue Jul 16 15:32:25 BST 2013
    New features:
    * RT#4550 report the file created after make dist

    Bug Fixes:
    * RT#66113 strip control characters from ABSTRACT
    * RT#20662 Don't check for config.h if it doesn't exist

6.69_06 Fri Jul 12 14:49:32 BST 2013
    Bug Fixes:
    * RT#64163 clean_subdirs infinite loop if subdir already gone
    * RT#79348 doesn't support miniperl in installation paths

    Doc Fixes:
    * Fix META_MERGE example
    * RT#31053 Mention configure_requires in PREREQ_FATAL documentation
    * RT#14680 Document TEST_FILES usage with 'make test'
    * RT#21285 Document 'make veryclean'

6.69_05 Thu Jul 11 22:10:10 BST 2013
    Bug Fixes:
    * Resolve RT#9452 regression with
      parse_version() (Victor Efimov)
    * RT#28632 use LD and OPTIMIZE in recursive Makefile.PL
      invocations (Niko Tyni)

6.69_04 Wed Jul 10 11:48:22 BST 2013
    Cygwin Fixes:
    * Revert RT#54703 and apply patch from RT#69401 to
      resolve /cygdrive issues (Reini Urban)

6.69_03 Tue Jul  9 22:39:54 BST 2013
    Bug Fixes:
    * RT#61419 Avoid invisible interactive question when
      rebuilding Makefile (Slaven Rezic)
    * VERSION also now really handles v-strings correctly.

    Cygwin Fixes:
    * RT#54703 - Don't hardcode /cygdrive (Jerry Hedden)

    Misc:
    * Install into site when 5.12 or above

6.69_02 Tue Jul  2 13:12:51 BST 2013
    Bug Fixes:
    * [RT#86609] VERSION_FROM now handles v-strings correctly.
    * VERSION also now handles v-strings correctly.

    Misc:
    * Updated bundled CPAN::Meta and removed Version::Requirements

6.69_01 Thu Jun 20 12:49:45 BST 2013
    Win32 Fixes:
    * resolve regression on Win32 introduced in 6.67_01
      (bingos)